Narrow-band imaging (NBI) for improving the assessment of vocal fold leukoplakia and overcoming the umbrella effect

• H. Klimza ,

  Contributed equally to this work with: H. Klimza, J. Jackowska

  Roles Conceptualization, Writing – original draft

  * E-mail: hnogala@wp.pl

  Affiliation Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poznań, Poland

  http://orcid.org/0000-0002-2482-8596

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• J. Jackowska ,

  Contributed equally to this work with: H. Klimza, J. Jackowska

  Roles Writing – original draft

  Affiliation Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poznań, Poland

  ⨯
• M. Tokarski ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poznań, Poland

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• K. Piersiala ,

  Roles Writing – review & editing

  ¶‡ These authors also contributed equally to this work.

  Affiliation Student Research Group at the Department of Otolaryngology, Head and Neck Surgery Poznań University of Medical Sciences, Poznań, Poland

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• M. Wierzbicka

  Roles Supervision

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Otolaryngology, Head and Neck Surgery, Poznań University of Medical Sciences, Poznań, Poland

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